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Finding the Fourth Proportional to 62,934.36, 86,850 and 34,640.25

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Solution

The fourth proportional to 62,934.36, 86,850 and 34,640.25 is: 47,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,934.36 : 86,850 = 34,640.25 : x
  2. Step 2: Convert to fraction form
    62,934.36/86,850 = 34,640.25/x
  3. Step 3: Cross multiply
    62,934.36x = 86,850 × 34,640.25
  4. Step 4: Simplify right side
    62,934.36x = 3,008,505,712.50
  5. Step 5: Solve for x
    x = 3,008,505,712.50/62,934.36
  6. Step 6: Final answer
    x = 47,803.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.